Engine Air Filter PA5426 P781349 AF25731 AF27816 40941104 A0040941104 for Heavy Duty Trucks
Contact UsEngine Air Filter PA5426 is a high-efficiency heavy-duty air filter designed for commercial trucks and diesel engines. It provides reliable engine protection by filtering dust, dirt, and airborne contaminants to ensure clean air intake and stable engine performance. This filter replaces multiple OEM numbers including P781349, AF25731, AF27816, 40941104, and A0040941104, offering OEM-level fitment and long service life for demanding applications.
Description
Premium Heavy Duty Engine Air Filter PA5426 Manufacturer
The PA5426 engine air filter is engineered for heavy-duty diesel engines used in European commercial trucks and industrial applications. It is designed to meet OEM specifications, ensuring optimal airflow and superior filtration performance in harsh working environments.
This air filter plays a critical role in protecting modern turbocharged diesel engines by preventing harmful particles such as dust, soot, sand, and road debris from entering the combustion system. With high dust-holding capacity and low airflow restriction, it helps maintain engine efficiency, reduce fuel consumption, and extend engine service life.
As a professional filter manufacturer, we supply OEM-quality replacement air filters to global distributors, wholesalers, fleet operators, and aftermarket suppliers.
Product Features
- High-efficiency filtration media for superior engine protection
- OEM-level fit for heavy-duty truck applications
- Low airflow restriction for stable engine performance
- Strong sealing structure prevents air leakage
- High dust-holding capacity for longer service life
- Durable construction for harsh environments
- Suitable for long-haul and industrial use
- OEM & ODM customization available
Product Specifications
| Item | Details |
|---|---|
| Product Name | Engine Air Filter |
| Part Number | PA5426 |
| Cross Reference Numbers | P781349 / AF25731 / AF27816 / 40941104 / A0040941104 |
| Filter Type | Heavy Duty Engine Air Filter |
| Material | High-efficiency filter paper + polyurethane sealing frame |
| Filtration Efficiency | ≥99.9% |
| Function | Engine air intake filtration |
| Installation | Direct OEM replacement |
| Service | OEM / ODM supported |
| Packaging | Neutral or customized packaging available |
| Origin | China |
Compatible Vehicles & Applications
This engine air filter is widely used in:
- Mercedes-Benz Group heavy-duty trucks
- European commercial vehicle platforms
- Long-haul transportation fleets
- Construction and vocational trucks
- Industrial diesel engine applications
Cross Reference Numbers
- PA5426
- P781349
- AF25731
- AF27816
- 40941104
- A0040941104
Why Choose Our Engine Air Filter
OEM-Level Performance
Manufactured according to original specifications for perfect fit and reliable operation.
Engine Protection
Effectively blocks dust and contaminants, protecting turbochargers and engine components.
Improved Fuel Efficiency
Ensures clean airflow for optimal combustion and stable engine output.
Heavy-Duty Reliability
Designed for demanding environments including long-distance transport and construction operations.
Quality Control & Manufacturing
All air filters are produced under strict quality control systems and tested for:
- Filtration efficiency
- Airflow resistance
- Seal integrity
- Structural durability
- Dimensional accuracy
We support OEM branding, private label production, and bulk supply for global customers.
FAQ
Which vehicles use PA5426 air filter?
It is used in multiple European heavy-duty truck applications depending on engine configuration.
Do you provide OEM customization?
Yes, we offer logo printing, packaging customization, and private label services.
What is the main benefit of this filter?
It provides high-efficiency filtration while maintaining strong airflow for engine protection and performance.
How often should it be replaced?
Typically every 15,000–30,000 miles depending on operating conditions.






